/// <summary>
/// Call this method for a single run without simulation.
/// </summary>
/// <param name="task"></param>
/// <param name="simulationId"></param>
/// <returns></returns>
public async Task InitializeMrp(MrpTask task, int simulationId)
{
await Task.Run(async() =>
{
_messageHub.SendToAllClients("Prepare InMemory Tables...", MessageType.info);
rebuildNets = new RebuildNets(_context);
capacityScheduling = new CapacityScheduling(_context);
_context = InMemoryContext.CreateInMemoryContext();
InMemoryContext.LoadData(_evaluationContext, _context);
await PrepareSimulationContext();
var simConfig = _context.SimulationConfigurations.Single(x => x.Id == simulationId);
await OrderGenerator.GenerateOrders(_context, simConfig, simulationId);
var simulationNumber = _context.GetSimulationNumber(simulationId, SimulationType.Central);
//call initial central MRP-run
await _processMrp.CreateAndProcessOrderDemand(task, _context, simulationId, _evaluationContext);
if (task == MrpTask.Backward || task == MrpTask.Forward || task == MrpTask.GifflerThompson)
{
var list = _context.ProductionOrderWorkSchedules.Select(schedule => new PowsSimulationItem(_context)
{
End = (task == MrpTask.Backward) ? schedule.EndBackward : (task == MrpTask.Forward) ? schedule.EndForward : schedule.End,
Start = (task == MrpTask.Backward) ? schedule.StartBackward : (task == MrpTask.Forward) ? schedule.StartForward : schedule.Start,
ProductionOrderId = schedule.ProductionOrderId,
ProductionOrderWorkScheduleId = schedule.Id,
SimulationId = simulationId
})
.ToList();
_evaluationContext.SaveChanges();
FillSimulationWorkSchedules(list, simulationId, simulationNumber, task);
}
SimulationType simType = SimulationType.Central;
switch (task)
{
case MrpTask.Forward:
simType = SimulationType.ForwardPlanning;
break;
case MrpTask.Backward:
simType = SimulationType.BackwardPlanning;
break;
}
CopyResults.ExtractSimulationOrders(_context, _evaluationContext, simulationId, simulationNumber, simType);
_messageHub.EndScheduler();
});
}
private async Task <TimeTable <ISimulationItem> > InitializeSimulation(int simulationId, int simNumber, SimulationConfiguration simConfig)
{
_messageHub.SendToAllClients("Start Simulation...", MessageType.info);
_context = InMemoryContext.CreateInMemoryContext();
InMemoryContext.LoadData(_evaluationContext, _context);
capacityScheduling = new CapacityScheduling(_context);
rebuildNets = new RebuildNets(_context);
await PrepareSimulationContext();
await OrderGenerator.GenerateOrders(_context, simConfig, simNumber);
_workTimeGenerator = new WorkTimeGenerator(simConfig.Seed, simConfig.WorkTimeDeviation, simNumber);
var timeTable = new TimeTable <ISimulationItem>(simConfig.RecalculationTime);
UpdateStockExchangesWithInitialValues(simulationId, simNumber);
//call the initial central planning
await Recalculate(timeTable, simulationId, simNumber, new List <ProductionOrderWorkSchedule>());
CreateMachinesReady(timeTable);
timeTable = UpdateGoodsDelivery(timeTable, simulationId);
return(timeTable);
}
